# Algebra II - Exponential and Logarithmic Functions: Homework Help Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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#### Question 1 1. A colony of bacteria starts with 9 bacteria at noon. If the number of bacteria triples every 20 minutes, how many bacteria will be present at 2:40 pm that afternoon?

#### Question 2 2. Which of the following is an exponential function?

#### Question 3 3. Evaluate.

#### Question 4 4. Which of these equations correctly represents the following scenario: In her prime, 40 million people knew who Britney Spears was, but that number has been decreasing by 10% each year. So, since 90% of people still recognize her each year, how many people still know who Brittney is each year?

#### Question 5 5. Evaluate the logarithm below:

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#### Question 6 6. Every year a laptop is worth 1/3 of what it was worth each year previous. If you have a $600 laptop, how much is it worth after 15 years?

#### Question 7 7. Solve, to 2 decimal places, the exponential equation below for x:

#### Question 8 8. Which of the following is the graph of y = log (x - 2) + 1?

#### Question 9 9. To exponentiate both sides of an equation is to _____

#### Question 10 10. Use the following information to answer the question.

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#### Question 11 11. What are the domain and range for the equation y = log(x) - 3?

#### Question 12 12. Evaluate the logarithm below to 2 decimal places.

#### Question 13 13. Solve the exponential equation below for x:

#### Question 14 14. Which equation represents this graph?

#### Question 15 15. What are the domain and range of the equation y = log(x + 5)?

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#### Question 16 16. Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

#### Question 17 17. Which logarithmic property is shown below?

#### Question 18 18. Condense the logarithm below:

#### Question 19 19. Expand the logarithm:

#### Question 20 20. Which of the following equations represents an exponential decay?

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#### Question 21 21. Solve the exponential equation below for x:

#### Question 22 22. Evaluate the logarithm below:

#### Question 23 23. Evaluate.

#### Question 24 24. Which expression is equivalent to log having base = e?

#### Question 25 25. Evaluate.

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#### Question 26 26. You're saving up for a $16,000 car. If you put $6,000 in a bank account that gives you 12% interest each year, how many years, to 1 decimal place, will it take before you have enough money for the car?

#### Question 27 27. Solve the exponential equation below for x:

####
Question 28
28.
Which direction will the graph of this equation be shifted?

y = log (x + 2)

#### Question 29 29. Which pattern of numbers is exponential?

#### Question 30 30. What does the quotient property tells us to do?

#### Algebra II - Exponential and Logarithmic Functions: Homework Help Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!